A181352 In lunar arithmetic, n*(n+1).

0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 210, 211, 222, 223, 224, 225, 226, 227, 228, 229, 310, 311, 322, 333, 334, 335, 336, 337, 338, 339, 410, 411, 422, 433, 444, 445, 446, 447, 448, 449, 510, 511, 522, 533, 544, 555, 556, 557, 558, 559, 610, 611, 622, 633, 644, 655, 666, 667, 668, 669, 710, 711, 722, 733

Offset: 0

Author

David Applegate, Marc LeBrun and N. J. A. Sloane, Jan 27 2011

Keywords

• nonn
• base

Comments

Not to be confused with A087027, which is the lunar product of n and (the ordinary decimal sum) n+1. Here the 1 is added to n in lunar arithmetic.

Links

• N. J. A. Sloane, Table of n, a(n) for n = 0..9999
• D. Applegate, C program for lunar arithmetic and number theory [Note: we have now changed the name from "dismal arithmetic" to "lunar arithmetic" - the old name was too depressing]
• D. Applegate, M. LeBrun and N. J. A. Sloane, Dismal Arithmetic [Note: we have now changed the name from "dismal arithmetic" to "lunar arithmetic" - the old name was too depressing]
• Index entries for sequences related to dismal (or lunar) arithmetic

Crossrefs

Cf. A087027.